[Review Topics] [References] Use the References to access important values if needed for th A sample of nitrogen has a mass of 42.1 grams. a. How many N atoms are there in the sample? atoms b. How many N2 molecules are there in the sample? molecules Submit Answer Retry Entire Group 5 more group attempts remaining

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A sample of nitrogen has a mass of 42.1 grams.
Submit Answer
$
a. How many N atoms are there in the sample?
atoms
b. How many N2 molecules are there in the sample?
molecules
[Review Topics]
[References]
Use the References to access important values if needed for th
%
Retry Entire Group
F5
Cengage Learning Cengage Technical Support
5 more group attempts remaining
F6
&
K
F7
*
F8
F9
F10
Transcribed Image Text:Submitted F3 A sample of nitrogen has a mass of 42.1 grams. Submit Answer $ a. How many N atoms are there in the sample? atoms b. How many N2 molecules are there in the sample? molecules [Review Topics] [References] Use the References to access important values if needed for th % Retry Entire Group F5 Cengage Learning Cengage Technical Support 5 more group attempts remaining F6 & K F7 * F8 F9 F10
3
The compound NO2 can be formed by combining NO and O₂. This can be represented at the atomic level by a chemical
equation:
E
According to the law of conservation of mass, if 30.5 grams of NO and 16.3 grams of O₂ combine to form NO₂, how
many grams of NO2 must form?
grams NO₂
Submit Answer
C
2NO+0₂ 2NO₂
$
4
888
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7
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H
U
N
taht values if needed for this question.
*
8
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1
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9
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Transcribed Image Text:3 The compound NO2 can be formed by combining NO and O₂. This can be represented at the atomic level by a chemical equation: E According to the law of conservation of mass, if 30.5 grams of NO and 16.3 grams of O₂ combine to form NO₂, how many grams of NO2 must form? grams NO₂ Submit Answer C 2NO+0₂ 2NO₂ $ 4 888 F4 R F → % 5 Retry Entire Group 9 more group attempts remaining Cengage Learning Cengage Technical Support T G 6 MacBook Air B 17 & 7 S Y H U N taht values if needed for this question. * 8 J 1 M ( 9 K O ) 96 0 L P Email Instructor + AV Previous Next> 1 1 B Save and Exit delete
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